<table border="1" mj_done="true">
    <thead>
    <tr>
        <th>序号</th>
        <th>编号</th>
        <th>题目</th>
        <th>通过率</th>
        <th>难度</th>
        <th>出题指数</th>
        <th>出现频率</th>
    </tr>
    </thead>
    <tbody>
    <tr>
        <td>1</td>
        <td>1</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/two-sum/">两数之和</a></td>
        <td>47.5%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.099</td>
    </tr>
    <tr>
        <td>2</td>
        <td>4</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/median-of-two-sorted-arrays/">寻找两个有序数组的中位数</a>
        </td>
        <td>36.7%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.228</td>
    </tr>
    <tr>
        <td>3</td>
        <td>206</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-linked-list/">反转链表</a></td>
        <td>66.9%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.17</td>
    </tr>
    <tr>
        <td>4</td>
        <td>5</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-palindromic-substring/">最长回文子串</a></td>
        <td>28.4%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.12</td>
    </tr>
    <tr>
        <td>5</td>
        <td>2</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-two-numbers/">两数相加</a></td>
        <td>36.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.055</td>
    </tr>
    <tr>
        <td>6</td>
        <td>53</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-subarray/">最大子序和</a></td>
        <td>49.0%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.096</td>
    </tr>
    <tr>
        <td>7</td>
        <td>3</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-substring-without-repeating-characters/">无重复字符的最长子串</a>
        </td>
        <td>32.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.06</td>
    </tr>
    <tr>
        <td>8</td>
        <td>215</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kth-largest-element-in-an-array/">数组中的第K个最大元素</a>
        </td>
        <td>60.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.147</td>
    </tr>
    <tr>
        <td>9</td>
        <td>146</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lru-cache/">LRU缓存机制</a></td>
        <td>45.4%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.221</td>
    </tr>
    <tr>
        <td>10</td>
        <td>20</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-parentheses/">有效的括号</a></td>
        <td>40.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.047</td>
    </tr>
    <tr>
        <td>11</td>
        <td>54</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/spiral-matrix/">螺旋矩阵</a></td>
        <td>38.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.181</td>
    </tr>
    <tr>
        <td>12</td>
        <td>33</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-in-rotated-sorted-array/">搜索旋转排序数组</a></td>
        <td>36.3%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.114</td>
    </tr>
    <tr>
        <td>13</td>
        <td>364</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/nested-list-weight-sum-ii/">加权嵌套序列和 II</a></td>
        <td>68.3%</td>
        <td>中等</td>
        <td>2</td>
        <td>2.049</td>
    </tr>
    <tr>
        <td>14</td>
        <td>141</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/linked-list-cycle/">环形链表</a></td>
        <td>46.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.085</td>
    </tr>
    <tr>
        <td>15</td>
        <td>19</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list/">删除链表的倒数第N个节点</a></td>
        <td>37.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.061</td>
    </tr>
    <tr>
        <td>16</td>
        <td>21</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-two-sorted-lists/">合并两个有序链表</a></td>
        <td>59.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.043</td>
    </tr>
    <tr>
        <td>17</td>
        <td>46</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/permutations/">全排列</a></td>
        <td>73.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.094</td>
    </tr>
    <tr>
        <td>18</td>
        <td>15</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/3sum/">三数之和</a></td>
        <td>25.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.05</td>
    </tr>
    <tr>
        <td>19</td>
        <td>226</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/invert-binary-tree/">翻转二叉树</a></td>
        <td>73.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.109</td>
    </tr>
    <tr>
        <td>20</td>
        <td>88</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-sorted-array/">合并两个有序数组</a></td>
        <td>46.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.068</td>
    </tr>
    <tr>
        <td>21</td>
        <td>121</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock/">买卖股票的最佳时机</a>
        </td>
        <td>52.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.06</td>
    </tr>
    <tr>
        <td>22</td>
        <td>200</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-islands/">岛屿数量</a></td>
        <td>46.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.12</td>
    </tr>
    <tr>
        <td>23</td>
        <td>69</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sqrtx/">x 的平方根</a></td>
        <td>37.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.067</td>
    </tr>
    <tr>
        <td>24</td>
        <td>101</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/symmetric-tree/">对称二叉树</a></td>
        <td>49.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.054</td>
    </tr>
    <tr>
        <td>25</td>
        <td>8</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/string-to-integer-atoi/">字符串转换整数 (atoi)</a></td>
        <td>19.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.053</td>
    </tr>
    <tr>
        <td>26</td>
        <td>102</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-level-order-traversal/">二叉树的层次遍历</a>
        </td>
        <td>60.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.068</td>
    </tr>
    <tr>
        <td>27</td>
        <td>39</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combination-sum/">组合总和</a></td>
        <td>68.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.085</td>
    </tr>
    <tr>
        <td>28</td>
        <td>283</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/move-zeroes/">移动零</a></td>
        <td>59.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.065</td>
    </tr>
    <tr>
        <td>29</td>
        <td>155</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/min-stack/">最小栈</a></td>
        <td>51.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.07</td>
    </tr>
    <tr>
        <td>30</td>
        <td>11</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/container-with-most-water/">盛最多水的容器</a></td>
        <td>61.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.027</td>
    </tr>
    <tr>
        <td>31</td>
        <td>28</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-strstr/">实现 strStr()</a></td>
        <td>39.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.034</td>
    </tr>
    <tr>
        <td>32</td>
        <td>72</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/edit-distance/">编辑距离</a></td>
        <td>56.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.096</td>
    </tr>
    <tr>
        <td>33</td>
        <td>176</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/second-highest-salary/">第二高的薪水</a></td>
        <td>33.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.069</td>
    </tr>
    <tr>
        <td>34</td>
        <td>185</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/department-top-three-salaries/">部门工资前三高的所有员工</a>
        </td>
        <td>41.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.279</td>
    </tr>
    <tr>
        <td>35</td>
        <td>148</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sort-list/">排序链表</a></td>
        <td>63.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.085</td>
    </tr>
    <tr>
        <td>36</td>
        <td>124</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-maximum-path-sum/">二叉树中的最大路径和</a></td>
        <td>39.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.125</td>
    </tr>
    <tr>
        <td>37</td>
        <td>142</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/linked-list-cycle-ii/">环形链表 II</a></td>
        <td>48.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.062</td>
    </tr>
    <tr>
        <td>38</td>
        <td>64</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-path-sum/">最小路径和</a></td>
        <td>64.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.052</td>
    </tr>
    <tr>
        <td>39</td>
        <td>107</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-level-order-traversal-ii/">二叉树的层次遍历
            II</a></td>
        <td>64.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.078</td>
    </tr>
    <tr>
        <td>40</td>
        <td>232</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-queue-using-stacks/">用栈实现队列</a></td>
        <td>62.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.086</td>
    </tr>
    <tr>
        <td>41</td>
        <td>23</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-k-sorted-lists/">合并K个排序链表</a></td>
        <td>48.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.056</td>
    </tr>
    <tr>
        <td>42</td>
        <td>56</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-intervals/">合并区间</a></td>
        <td>40.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.061</td>
    </tr>
    <tr>
        <td>43</td>
        <td>76</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-window-substring/">最小覆盖子串</a></td>
        <td>35.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.118</td>
    </tr>
    <tr>
        <td>44</td>
        <td>297</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree/">二叉树的序列化与反序列化</a>
        </td>
        <td>44.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.179</td>
    </tr>
    <tr>
        <td>45</td>
        <td>410</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/split-array-largest-sum/">分割数组的最大值</a></td>
        <td>40.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.556</td>
    </tr>
    <tr>
        <td>46</td>
        <td>442</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-all-duplicates-in-an-array/">数组中重复的数据</a>
        </td>
        <td>63.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.254</td>
    </tr>
    <tr>
        <td>47</td>
        <td>402</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-k-digits/">移掉K位数字</a></td>
        <td>27.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.24</td>
    </tr>
    <tr>
        <td>48</td>
        <td>94</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-inorder-traversal/">二叉树的中序遍历</a></td>
        <td>70.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.038</td>
    </tr>
    <tr>
        <td>49</td>
        <td>22</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/generate-parentheses/">括号生成</a></td>
        <td>73.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.044</td>
    </tr>
    <tr>
        <td>50</td>
        <td>42</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/trapping-rain-water/">接雨水</a></td>
        <td>48.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.061</td>
    </tr>
    <tr>
        <td>51</td>
        <td>192</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-frequency/">统计词频</a></td>
        <td>33.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.441</td>
    </tr>
    <tr>
        <td>52</td>
        <td>144</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-preorder-traversal/">二叉树的前序遍历</a></td>
        <td>64.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.058</td>
    </tr>
    <tr>
        <td>53</td>
        <td>287</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-the-duplicate-number/">寻找重复数</a></td>
        <td>62.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.091</td>
    </tr>
    <tr>
        <td>54</td>
        <td>9</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-number/">回文数</a></td>
        <td>57.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.011</td>
    </tr>
    <tr>
        <td>55</td>
        <td>51</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-queens/">N皇后</a></td>
        <td>67.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.062</td>
    </tr>
    <tr>
        <td>56</td>
        <td>234</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-linked-list/">回文链表</a></td>
        <td>40.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.029</td>
    </tr>
    <tr>
        <td>57</td>
        <td>547</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/friend-circles/">朋友圈</a></td>
        <td>54.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.077</td>
    </tr>
    <tr>
        <td>58</td>
        <td>714</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee/">买卖股票的最佳时机含手续费</a>
        </td>
        <td>61.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.109</td>
    </tr>
    <tr>
        <td>59</td>
        <td>443</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/string-compression/">压缩字符串</a></td>
        <td>39.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.107</td>
    </tr>
    <tr>
        <td>60</td>
        <td>601</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/human-traffic-of-stadium/">体育馆的人流量</a></td>
        <td>44.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.294</td>
    </tr>
    <tr>
        <td>61</td>
        <td>673</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-longest-increasing-subsequence/">最长递增子序列的个数</a>
        </td>
        <td>33.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.229</td>
    </tr>
    <tr>
        <td>62</td>
        <td>260</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-number-iii/">只出现一次的数字 III</a></td>
        <td>69.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.106</td>
    </tr>
    <tr>
        <td>63</td>
        <td>445</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-two-numbers-ii/">两数相加 II</a></td>
        <td>53.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.09</td>
    </tr>
    <tr>
        <td>64</td>
        <td>1114</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/print-in-order/">按序打印</a></td>
        <td>58.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.083</td>
    </tr>
    <tr>
        <td>65</td>
        <td>1111</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/maximum-nesting-depth-of-two-valid-parentheses-strings/">有效括号的嵌套深度</a>
        </td>
        <td>66.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.602</td>
    </tr>
    <tr>
        <td>66</td>
        <td>382</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/linked-list-random-node/">链表随机节点</a></td>
        <td>54.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.328</td>
    </tr>
    <tr>
        <td>67</td>
        <td>77</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combinations/">组合</a></td>
        <td>72.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.056</td>
    </tr>
    <tr>
        <td>68</td>
        <td>93</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/restore-ip-addresses/">复原IP地址</a></td>
        <td>45.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.07</td>
    </tr>
    <tr>
        <td>69</td>
        <td>811</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/subdomain-visit-count/">子域名访问计数</a></td>
        <td>66.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.28</td>
    </tr>
    <tr>
        <td>70</td>
        <td>128</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-consecutive-sequence/">最长连续序列</a></td>
        <td>47.6%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.071</td>
    </tr>
    <tr>
        <td>71</td>
        <td>184</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/department-highest-salary/">部门工资最高的员工</a></td>
        <td>43.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.094</td>
    </tr>
    <tr>
        <td>72</td>
        <td>7</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-integer/">整数反转</a></td>
        <td>33.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.009</td>
    </tr>
    <tr>
        <td>73</td>
        <td>238</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/product-of-array-except-self/">除自身以外数组的乘积</a></td>
        <td>66.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.058</td>
    </tr>
    <tr>
        <td>74</td>
        <td>704</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-search/">二分查找</a></td>
        <td>52.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.065</td>
    </tr>
    <tr>
        <td>75</td>
        <td>471</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/encode-string-with-shortest-length/">编码最短长度的字符串</a></td>
        <td>50.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.466</td>
    </tr>
    <tr>
        <td>76</td>
        <td>1095</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-in-mountain-array/">山脉数组中查找目标值</a></td>
        <td>29.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.811</td>
    </tr>
    <tr>
        <td>77</td>
        <td>905</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sort-array-by-parity/">按奇偶排序数组</a></td>
        <td>68.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.084</td>
    </tr>
    <tr>
        <td>78</td>
        <td>210</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/course-schedule-ii/">课程表 II</a></td>
        <td>46.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.103</td>
    </tr>
    <tr>
        <td>79</td>
        <td>17</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/letter-combinations-of-a-phone-number/">电话号码的字母组合</a></td>
        <td>52.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.021</td>
    </tr>
    <tr>
        <td>80</td>
        <td>70</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/climbing-stairs/">爬楼梯</a></td>
        <td>47.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.014</td>
    </tr>
    <tr>
        <td>81</td>
        <td>34</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array/">在排序数组中查找元素的第一个和最后一个位置</a>
        </td>
        <td>38.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.025</td>
    </tr>
    <tr>
        <td>82</td>
        <td>160</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/intersection-of-two-linked-lists/">相交链表</a></td>
        <td>52.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.024</td>
    </tr>
    <tr>
        <td>83</td>
        <td>543</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/diameter-of-binary-tree/">二叉树的直径</a></td>
        <td>47.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.057</td>
    </tr>
    <tr>
        <td>84</td>
        <td>223</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rectangle-area/">矩形面积</a></td>
        <td>42.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.205</td>
    </tr>
    <tr>
        <td>85</td>
        <td>380</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/insert-delete-getrandom-o1/">常数时间插入、删除和获取随机元素</a>
        </td>
        <td>47.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.156</td>
    </tr>
    <tr>
        <td>86</td>
        <td>449</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/serialize-and-deserialize-bst/">序列化和反序列化二叉搜索树</a>
        </td>
        <td>50.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.289</td>
    </tr>
    <tr>
        <td>87</td>
        <td>603</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/consecutive-available-seats/">连续空余座位</a></td>
        <td>66.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.527</td>
    </tr>
    <tr>
        <td>88</td>
        <td>815</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/bus-routes/">公交路线</a></td>
        <td>30.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.525</td>
    </tr>
    <tr>
        <td>89</td>
        <td>843</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/guess-the-word/">猜猜这个单词</a></td>
        <td>33.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.991</td>
    </tr>
    <tr>
        <td>90</td>
        <td>1106</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/parsing-a-boolean-expression/">解析布尔表达式</a></td>
        <td>53.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.714</td>
    </tr>
    <tr>
        <td>91</td>
        <td>895</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-frequency-stack/">最大频率栈</a></td>
        <td>45.6%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.683</td>
    </tr>
    <tr>
        <td>92</td>
        <td>133</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/clone-graph/">克隆图</a></td>
        <td>48.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.113</td>
    </tr>
    <tr>
        <td>93</td>
        <td>136</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-number/">只出现一次的数字</a></td>
        <td>65.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.017</td>
    </tr>
    <tr>
        <td>94</td>
        <td>254</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/factor-combinations/">因子的组合</a></td>
        <td>54.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.693</td>
    </tr>
    <tr>
        <td>95</td>
        <td>344</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-string/">反转字符串</a></td>
        <td>68.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.023</td>
    </tr>
    <tr>
        <td>96</td>
        <td>427</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/construct-quad-tree/">建立四叉树</a></td>
        <td>57.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.753</td>
    </tr>
    <tr>
        <td>97</td>
        <td>837</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/new-21-game/">新21点</a></td>
        <td>25.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.771</td>
    </tr>
    <tr>
        <td>98</td>
        <td>1239</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters/">串联字符串的最大长度</a>
        </td>
        <td>37.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.251</td>
    </tr>
    <tr>
        <td>99</td>
        <td>863</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/all-nodes-distance-k-in-binary-tree/">二叉树中所有距离为 K
            的结点</a></td>
        <td>46.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.388</td>
    </tr>
    <tr>
        <td>100</td>
        <td>104</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/">二叉树的最大深度</a></td>
        <td>72.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.016</td>
    </tr>
    <tr>
        <td>101</td>
        <td>114</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flatten-binary-tree-to-linked-list/">二叉树展开为链表</a>
        </td>
        <td>67.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.05</td>
    </tr>
    <tr>
        <td>102</td>
        <td>1139</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-1-bordered-square/">最大的以 1 为边界的正方形</a>
        </td>
        <td>40.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.698</td>
    </tr>
    <tr>
        <td>103</td>
        <td>41</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/first-missing-positive/">缺失的第一个正数</a></td>
        <td>37.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.049</td>
    </tr>
    <tr>
        <td>104</td>
        <td>73</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/set-matrix-zeroes/">矩阵置零</a></td>
        <td>55.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.059</td>
    </tr>
    <tr>
        <td>105</td>
        <td>25</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-nodes-in-k-group/">K 个一组翻转链表</a></td>
        <td>56.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.045</td>
    </tr>
    <tr>
        <td>106</td>
        <td>44</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/wildcard-matching/">通配符匹配</a></td>
        <td>26.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.073</td>
    </tr>
    <tr>
        <td>107</td>
        <td>62</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-paths/">不同路径</a></td>
        <td>58.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.023</td>
    </tr>
    <tr>
        <td>108</td>
        <td>92</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-linked-list-ii/">反转链表 II</a></td>
        <td>48.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.047</td>
    </tr>
    <tr>
        <td>109</td>
        <td>151</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-words-in-a-string/">翻转字符串里的单词</a></td>
        <td>35.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.056</td>
    </tr>
    <tr>
        <td>110</td>
        <td>518</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/coin-change-2/">零钱兑换 II</a></td>
        <td>47.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.194</td>
    </tr>
    <tr>
        <td>111</td>
        <td>557</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-words-in-a-string-iii/">反转字符串中的单词 III</a>
        </td>
        <td>69.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.056</td>
    </tr>
    <tr>
        <td>112</td>
        <td>84</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-rectangle-in-histogram/">柱状图中最大的矩形</a>
        </td>
        <td>38.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.051</td>
    </tr>
    <tr>
        <td>113</td>
        <td>138</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/copy-list-with-random-pointer/">复制带随机指针的链表</a>
        </td>
        <td>43.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.074</td>
    </tr>
    <tr>
        <td>114</td>
        <td>169</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/majority-element/">多数元素</a></td>
        <td>61.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.022</td>
    </tr>
    <tr>
        <td>115</td>
        <td>263</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/ugly-number/">丑数</a></td>
        <td>48.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.064</td>
    </tr>
    <tr>
        <td>116</td>
        <td>304</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/range-sum-query-2d-immutable/">二维区域和检索 - 矩阵不可变</a>
        </td>
        <td>42.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.176</td>
    </tr>
    <tr>
        <td>117</td>
        <td>571</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-median-given-frequency-of-numbers/">给定数字的频率查询中位数</a>
        </td>
        <td>47.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.202</td>
    </tr>
    <tr>
        <td>118</td>
        <td>648</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/replace-words/">单词替换</a></td>
        <td>53.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.283</td>
    </tr>
    <tr>
        <td>119</td>
        <td>772</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/basic-calculator-iii/">基本计算器 III</a></td>
        <td>31.6%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.991</td>
    </tr>
    <tr>
        <td>120</td>
        <td>768</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/max-chunks-to-make-sorted-ii/">最多能完成排序的块 II</a>
        </td>
        <td>44.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.651</td>
    </tr>
    <tr>
        <td>121</td>
        <td>1044</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-duplicate-substring/">最长重复子串</a></td>
        <td>15.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.452</td>
    </tr>
    <tr>
        <td>122</td>
        <td>143</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reorder-list/">重排链表</a></td>
        <td>54.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.084</td>
    </tr>
    <tr>
        <td>123</td>
        <td>134</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/gas-station/">加油站</a></td>
        <td>50.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.067</td>
    </tr>
    <tr>
        <td>124</td>
        <td>225</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-stack-using-queues/">用队列实现栈</a></td>
        <td>62.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.051</td>
    </tr>
    <tr>
        <td>125</td>
        <td>12</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/integer-to-roman/">整数转罗马数字</a></td>
        <td>62.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.028</td>
    </tr>
    <tr>
        <td>126</td>
        <td>312</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/burst-balloons/">戳气球</a></td>
        <td>57.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.167</td>
    </tr>
    </tbody>
</table>